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authorfriendica <info@friendica.com>2012-05-12 17:57:41 -0700
committerfriendica <info@friendica.com>2012-07-18 20:40:31 +1000
commit7a40f4354b32809af3d0cfd6e3af0eda02ab0e0a (patch)
treea9c3d91209cff770bb4b613b1b95e61a7bbc5a2b /lib/htmlpurifier/library/HTMLPurifier/HTMLModule/Forms.php
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some important stuff we'll need
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+<?php
+
+/**
+ * XHTML 1.1 Forms module, defines all form-related elements found in HTML 4.
+ */
+class HTMLPurifier_HTMLModule_Forms extends HTMLPurifier_HTMLModule
+{
+ public $name = 'Forms';
+ public $safe = false;
+
+ public $content_sets = array(
+ 'Block' => 'Form',
+ 'Inline' => 'Formctrl',
+ );
+
+ public function setup($config) {
+ $form = $this->addElement('form', 'Form',
+ 'Required: Heading | List | Block | fieldset', 'Common', array(
+ 'accept' => 'ContentTypes',
+ 'accept-charset' => 'Charsets',
+ 'action*' => 'URI',
+ 'method' => 'Enum#get,post',
+ // really ContentType, but these two are the only ones used today
+ 'enctype' => 'Enum#application/x-www-form-urlencoded,multipart/form-data',
+ ));
+ $form->excludes = array('form' => true);
+
+ $input = $this->addElement('input', 'Formctrl', 'Empty', 'Common', array(
+ 'accept' => 'ContentTypes',
+ 'accesskey' => 'Character',
+ 'alt' => 'Text',
+ 'checked' => 'Bool#checked',
+ 'disabled' => 'Bool#disabled',
+ 'maxlength' => 'Number',
+ 'name' => 'CDATA',
+ 'readonly' => 'Bool#readonly',
+ 'size' => 'Number',
+ 'src' => 'URI#embedded',
+ 'tabindex' => 'Number',
+ 'type' => 'Enum#text,password,checkbox,button,radio,submit,reset,file,hidden,image',
+ 'value' => 'CDATA',
+ ));
+ $input->attr_transform_post[] = new HTMLPurifier_AttrTransform_Input();
+
+ $this->addElement('select', 'Formctrl', 'Required: optgroup | option', 'Common', array(
+ 'disabled' => 'Bool#disabled',
+ 'multiple' => 'Bool#multiple',
+ 'name' => 'CDATA',
+ 'size' => 'Number',
+ 'tabindex' => 'Number',
+ ));
+
+ $this->addElement('option', false, 'Optional: #PCDATA', 'Common', array(
+ 'disabled' => 'Bool#disabled',
+ 'label' => 'Text',
+ 'selected' => 'Bool#selected',
+ 'value' => 'CDATA',
+ ));
+ // It's illegal for there to be more than one selected, but not
+ // be multiple. Also, no selected means undefined behavior. This might
+ // be difficult to implement; perhaps an injector, or a context variable.
+
+ $textarea = $this->addElement('textarea', 'Formctrl', 'Optional: #PCDATA', 'Common', array(
+ 'accesskey' => 'Character',
+ 'cols*' => 'Number',
+ 'disabled' => 'Bool#disabled',
+ 'name' => 'CDATA',
+ 'readonly' => 'Bool#readonly',
+ 'rows*' => 'Number',
+ 'tabindex' => 'Number',
+ ));
+ $textarea->attr_transform_pre[] = new HTMLPurifier_AttrTransform_Textarea();
+
+ $button = $this->addElement('button', 'Formctrl', 'Optional: #PCDATA | Heading | List | Block | Inline', 'Common', array(
+ 'accesskey' => 'Character',
+ 'disabled' => 'Bool#disabled',
+ 'name' => 'CDATA',
+ 'tabindex' => 'Number',
+ 'type' => 'Enum#button,submit,reset',
+ 'value' => 'CDATA',
+ ));
+
+ // For exclusions, ideally we'd specify content sets, not literal elements
+ $button->excludes = $this->makeLookup(
+ 'form', 'fieldset', // Form
+ 'input', 'select', 'textarea', 'label', 'button', // Formctrl
+ 'a', // as per HTML 4.01 spec, this is omitted by modularization
+ 'isindex', 'iframe' // legacy items
+ );
+
+ // Extra exclusion: img usemap="" is not permitted within this element.
+ // We'll omit this for now, since we don't have any good way of
+ // indicating it yet.
+
+ // This is HIGHLY user-unfriendly; we need a custom child-def for this
+ $this->addElement('fieldset', 'Form', 'Custom: (#WS?,legend,(Flow|#PCDATA)*)', 'Common');
+
+ $label = $this->addElement('label', 'Formctrl', 'Optional: #PCDATA | Inline', 'Common', array(
+ 'accesskey' => 'Character',
+ // 'for' => 'IDREF', // IDREF not implemented, cannot allow
+ ));
+ $label->excludes = array('label' => true);
+
+ $this->addElement('legend', false, 'Optional: #PCDATA | Inline', 'Common', array(
+ 'accesskey' => 'Character',
+ ));
+
+ $this->addElement('optgroup', false, 'Required: option', 'Common', array(
+ 'disabled' => 'Bool#disabled',
+ 'label*' => 'Text',
+ ));
+
+ // Don't forget an injector for <isindex>. This one's a little complex
+ // because it maps to multiple elements.
+
+ }
+}
+
+// vim: et sw=4 sts=4